12:41 CH 11/07/2020
12:03 CH 10/07/2020
12:20 CH 09/07/2020
12:16 CH 08/07/2020
11:53 SA 07/07/2020
12:23 CH 06/07/2020
02:46 CH 05/07/2020
12:50 CH 04/07/2020
12:43 CH 03/07/2020
12:36 CH 02/07/2020
12:47 CH 30/06/2020
12:08 CH 29/06/2020
09:27 CH 28/06/2020
08:54 CH 27/06/2020
12:09 CH 26/06/2020
01:11 CH 25/06/2020
12:54 CH 24/06/2020
h
7+8=15
4+7-3=8
5+7-7=5
(5+3)+(5×4)-13=8+20-13=15